package jvm;

import java.util.concurrent.Callable;

/**
 * @author Europa
 * @create 2020-05-08 13:34
 */
public class CallDemo implements Callable<Object> {
    private int i;
    @Override
    public Object call() {
        for (int j = 0; j < 10; j++) {
            i++;
        }
        return  i;
    }
}
